Lindsey Optics - 4"x5.65" +3 Diopter Brilliant² Tray Mount Studio Close-Up Lens
138mm diopter glass is mounted directly into our proprietary 4x5.65" matte box tray and sold as a unit 5.1 inch diameter clear aperture Fits in 3 matte box slots Knurled stainless steel post in handle allows easy handling in "Studio" style matte boxes Fits in most rod mounted and clip-on 4x5.65 professional cine matte boxes